• @thenextguy
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      13 months ago

      But it’s kind of a terrible one, because it uses gravity to explain gravity.

      • @Couldbealeotard
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        43 months ago

        If it’s the demonstration I’m thinking of, it uses gravity to visualise the affects of an otherwise invisible force.

      • @[email protected]
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        43 months ago

        It’s just meant as a physical analogue to demonstrate some features (namely how the shape of the sheet/gravity affects things that travel on/through it) in a way that people can understand easily.